c语言实现简易版三子棋(附完整代码)

//测试文件
#include"game.h"
void menu()
{
	printf("*****************************\n");
	printf("*****    1.play    **********\n");
	printf("*****    0.exit    **********\n");
	printf("*****************************\n");
}
void game()
{
	//创建一个棋盘数组
	char board[ROW][COL]; 
	//对棋盘进行初始化
	InitBoard(board, ROW, COL);
	//打印棋盘
	DisplayBoard(board, ROW, COL);
	char ret = '\0';
	while (1)
	{
		//玩家下棋
		PlayerMove(board, ROW, COL);
		DisplayBoard(board, ROW, COL);
		ret = IsWin(board, ROW, COL);
		//游戏继续
		if (ret != 'C')
		{
			break;
		}
		//电脑下棋
		ComputerMove(board, ROW, COL);
		DisplayBoard(board, ROW, COL);
		ret = IsWin(board, ROW, COL);
		//游戏继续
		if (ret != 'C')
		{
			break;
		}
	}
	if (ret == '*')
	{
		printf("玩家赢\n");
	}
	else if (ret == '#')
	{
		printf("电脑赢\n");
	}
	else
	{
		printf("平局\n");
	}
}
int main()
{
	int input = 0;
	srand((unsigned int)time(NULL));
	do
	{
		menu();
		printf("请选择:");
		scanf("%d", &input);
		switch (input)
		{
		case 1:
			game();//玩游戏
			break;
		case 0:
			printf("退出游戏\n");
			break;
		default:
			printf("选择错误，请重新选择\n");
			break;
		}
	} while (input);
	return 0;
}
 
//声明文件
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
//用宏定义的方法定义行与列，便于修改棋盘
#define ROW 3  
#define COL 3
//初始化棋盘
void InitBoard(char board[ROW][COL],int row,int col);
//打印棋盘
void DisplayBoard(char board[ROW][COL], int row, int col);
//玩家下棋
void PlayerMove(char board[ROW][COL], int row, int col);
//电脑下棋
void ComputerMove(char board[ROW][COL], int row, int col);
//判断输赢
char IsWin(char board[ROW][COL], int row, int col);
 
//函数定义文件
#include"game.h"
//初始化棋盘
void InitBoard(char board[ROW][COL], int row, int col)
{
	int i = 0;
	for (i = 0; i < row; i++)
	{
		int j = 0;
		for (j = 0; j < col; j++)
		{
			board[i][j] = ' ';//初始化为空格
		}
	}
}
 
//打印棋盘
void DisplayBoard(char board[ROW][COL], int row, int col)
{
	int i = 0;
	for (i = 0; i < row; i++)
	{
		int j = 0;
		//打印每一行
		for (j = 0; j < col; j++)
		{
			printf(" %c ",board[i][j]);
			//向右最外面的不打印（|）
			if (j < col - 1)
			{
				printf("|");
			}
		}
		printf("\n");
		//打印分隔行，但最下面不用打印(---|)
		if (i < row - 1)
		{
			for (j = 0; j < col; j++)
			{
				printf("---");
				//向右最外面的不打印（|）
				if (j < col - 1)
				{
					printf("|");
				}
			}
			printf("\n");
		}
	}
}
 
//玩家下棋
void PlayerMove(char board[ROW][COL], int row, int col)
{
	int x = 0;
	int y = 0;
	printf("玩家下棋，输入坐标:");
	while (1)
	{
		scanf("%d %d", &x, &y);
		if (x <= row && x > 0 && y <= col && y > 0 )
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = '*';
				break;
			}
			else
			{
				printf("坐标已经被占用，请重新输入\n");
			}
		}
		else
		{
			printf("坐标非法，请重新输入\n");
		}
	}
}
 
//电脑下棋
void ComputerMove(char board[ROW][COL], int row, int col)
{
	int x = 0;
	int y = 0;
	printf("电脑下棋:");
	while (1)
	{
		x = rand() % row;
		y = rand() % col;
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
			printf("\n");
			break;
		}
	}
}
 
//判断输赢
//玩家赢  -- 返回‘*'
//电脑赢  -- 返回‘#'
//平局    -- 返回‘Q'
//游戏继续-- 返回‘C'
 
//判断棋盘是否满了
int IsFull(char board[ROW][COL], int row, int col)
{
	int i = 0;
	for (i = 0; i < row; i++)
	{
		int j = 0;
		for (j = 0; j < col; j++)
		{
			if (board[i][j] == ' ')
			{
				return 0;//棋盘未满
			}
		}
	}
	return 1;//棋盘满了
}
char IsWin(char board[ROW][COL], int row, int col)
{
	//行相等
	int i = 0;
	for (i = 0; i < row; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' ')
		{
			return board[i][1];
		}
	}
	//列相等
	for (i = 0; i < row; i++)
	{
		if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' ')
		{
			return board[1][i];
		}
	}
	//对角线相等
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
	{
		return board[1][1];
	}
	//平局
	if (IsFull(board, row, col) == 1)
	{
		return 'Q';
	}
	//游戏继续
	else
	{
		return 'C';
	}
}